Quartz Vein in Hematitic Siltstone
Hydrothermal Quartz (SiO2) in Ferriferous Matrix
metamorphic
Category
Mineral With Metamorphic Or Sedimentary Host
Browse mineral with metamorphic or sedimentary host specimens identified by the Rock Identifier community.
Learn about Mineral With Metamorphic Or Sedimentary Host in the encyclopedia
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Quartz vein in foliated metamorphic rock
Likely quartz-bearing schist or gneiss; visible crystal is quartz (SiO₂)
metamorphic
Quartz-veined altered rock
Likely quartz-bearing metasediment or altered igneous rock; vein mineral: quartz (SiO₂)
metamorphic
Pyrite in Matrix
Iron Sulfide (FeS2)
mineral
Yellow Quartz (Citrine/Yellow Jasper mix)
Silicon Dioxide (SiO2)
mineral
Mica-rich Pegmatite
Pegmatite (rich in Muscovite and Biotite)
igneous
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Pyrite Cubes in Matrix
Iron Disulfide (FeS2) in Host Matrix
mineral side rock
Emerald
Beryl (Be3Al2(SiO3)6) with Chromium/Vanadium impurities
mineral
Quartz Vein in Matrix (Breccia / Host Rock with Quartz)
Silicon Dioxide (SiO2) in Host Rock Matrix
metamorphic
Pyrite in Matrix
Iron Sulfide (FeS2) embedded in host rock
mineral
Quartz vein fragment
Quartz, silicon dioxide (SiO₂), likely milky to translucent quartz with iron-oxide or clay inclusions
mineral
Likely milky quartz fragment
Quartz (SiO₂)
mineral
Wishing Stone (Quartz-veined Metamorphic/Sedimentary Rock)
Quartz Vein in Greywacke/Slate (SiO2 in host rock)
metamorphic
Emerald in Matrix
Beryl (Be3Al2Si6O18) with Chromium/Vanadium impurities
gemstone
Quartz Vein in Host Rock
Quartz (SiO2) in metamorphic host rock (likely schist or phyllite)
metamorphic
Likely quartz-bearing rock fragment
Quartz (SiO₂), possibly with iron-oxide staining or other mineral inclusions
mineral
Garnet-bearing metamorphic rock, likely garnet schist or amphibolite
Almandine garnet (Fe₃Al₂Si₃O₁₂) in mica- or amphibole-rich matrix
metamorphic
Milky Quartz with Chlorite/Moss Infusions
Silicon Dioxide (SiO2)
mineral
Pyrite-bearing rock (likely pyrite-rich sulfide ore)
Pyrite, FeS₂, with possible dark host rock; exact matrix is not identifiable from the photo
mineral
Epidote-bearing Rock / Epidote Inclusion
Epidote (Ca2(Al, Fe)3(SiO4)3(OH)) in host rock
mineral
Pyrite-bearing rock, possibly pyrite-rich schist or quartzite
Pyrite (iron disulfide, FeS₂) in a fine-grained metamorphic or quartz-rich matrix
mineral
Pyrite in Matrix (Healers Gold / Pyrite Egg)
Iron Disulfide (FeS2) with Magnetite/Hematite matrix
mineral
Pyrite-bearing rock, likely quartz vein
Pyrite (FeS₂) in quartz-rich host rock
mineral
Tumbled Chalcedony Pebble
Silicon Dioxide (SiO2)
mineral
Pyrite on Quartz matrix
Iron Disulfide (FeS2) on Silicon Dioxide (SiO2)
mineral
Quartz Vein in Basalt or Slate
Hydrothermal quartz vein traversing mafic host rock
metamorphic
Quartz Vein in Host Rock (Breccia/Rhyolite)
Silicon Dioxide (SiO2) with matrix
Mineral in Igneous/Sedimentary host
Quartz Vein in Pelite (Metamorphic Rock)
Hydrothermal Quartz Veining in Metasedimentary Rock (SiO2)
metamorphic
Quartz (Smoky/Rock Crystal)
Silicon Dioxide (SiO2)
mineral
Quartz vein in weathered host rock
Quartz (SiO₂), likely in a weathered metamorphic or igneous matrix
mineral
Native Silver Nugget
Silver (Ag)
mineral
Milky Quartz Vein in Host Rock
Silicon Dioxide (SiO2)
mineral
Quartz (Small Pebble)
Silicon Dioxide (SiO2)
mineral
Quartz Vein / Milky Quartz
Silicon Dioxide (SiO2)
mineral
Milky Quartz with Chlorite Schist Inclusions
Quartz (SiO2) with Chlorite Group silicates (typically (Mg,Fe)3(Si,Al)4O10(OH)2)
metamorphic
Quartz (Milky Quartz with Iron Staining)
Silicon Dioxide (SiO2)
mineral
Milky quartz fragment
Quartz (silicon dioxide, SiO₂)
mineral
Milky Quartz
Silicon Dioxide (SiO2)
mineral
Quartz
Silicon Dioxide (SiO2)
mineral
Clear Quartz
Silicon Dioxide (SiO2)
mineral
Botryoidal Pyrite
Iron Sulfide (FeS2)
mineral